#include<iostream>
#include<stack>
using namespace std;

int main()
{
	stack<int> s;
	int num, r;

	cout<<"Enter a number"<<endl;
	cin>>num;

	cout<<"The binary code of "<<num<<" is ";
	while(num !=0 )
	{
		r = num % 2;
		num = num / 2;
		s.push(r);
	}
	while(!s.empty())
	{
		cout<<s.top();
		s.pop();
	}
	cout<<endl;

	system("pause");
        return 0;
}